Lenovo ThinkPad T43p 2686 compatible 1GB 667MHz DDR2 SO-DIMM Black Diamond memory. Compatible computer model: Lenovo ThinkPad Z61m 0674-xxx, R60i 0657-xxx, X60s 2533-xxx, SL500 2746-xxx, T43p 2679, T43 1873, T60p 2009, X60s 1705, R61 Series, T43p 2678, T60p 1951-xxx, X100e 2876-xxx, R52 1844, SL300 2738-xxx, SL400 2743-xxx, Z61t 9448-xxx, R52 1843, X41 1869, T43p 2686, X41 Tablet 1868. Black Diamond Memory offers the most extensive line of memory solutions today. With our decades of experience specializing in memory, Black Diamond Memory is a proven manufacturer to the semiconductor industry. Our great products combined with our world class service and support have helped us to where we are today. When you have an Black Diamond memory chip, you can count on it being the best available memory for your system. Our system specific Branded Memory line delivers in performance, and is designed to be guaranteed in compatibility with your system. Each of our memory chips come with a lifetime warranty for your peace of mind. Use our Upgrade Configurator to easily find the correct memory module for your system. Please keep in mind that this memory will ONLY work on the models listed above. 15% Restocking fee will apply for non-defective items.